startList = function() { 
	   if (document.all&&document.getElementById) { 
		  navRoot = document.getElementById("nav"); 
		  for (i=0; i<navRoot.childNodes.length; i++) { 
			 node = navRoot.childNodes[i]; 
			 if (node.nodeName=="LI") { 
				node.onmouseover=function() { 
				   this.className+=" over"; 
				} 
				node.onmouseout=function() { 
				   this.className=this.className.replace(" over", ""); 
				} 
			 } 
		  } 
	   } 
	} 
	window.onload=startList;